Publications

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2022
Article

Regulatory Treatment of Changes in Fair Value and the Composition of Banks' Investment Portfolios

By: Michael Iselin, Jung Koo Kang and Joshua Madsen

In their implementation of Basel III, U.S. bank regulators are again including changes in the fair value of available-for-sale (AFS) debt securities in Tier 1 capital, but only for the largest U.S. banks. This paper investigates a potential impact of expanding this... View Details

Keywords: Fair Value Accounting; SFAS 115; Basel III; Governing Rules, Regulations, and Reforms; Banks and Banking; Debt Securities; Credit; Risk and Uncertainty; Investment Portfolio; Decision Making; Banking Industry; United States

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2023
Working Paper

Distributionally Robust Causal Inference with Observational Data

By: Dimitris Bertsimas, Kosuke Imai and Michael Lingzhi Li

We consider the estimation of average treatment effects in observational studies and propose a new framework of robust causal inference with unobserved confounders. Our approach is based on distributionally robust optimization and proceeds in two steps. We first... View Details

Keywords: AI and Machine Learning; Mathematical Methods

2017
Working Paper

The Need for Speed: Effects of Uncertainty Reduction in Patenting

By: Mike Horia Teodorescu

Patents are essential in commerce to establish property rights for ideas and to give equal protection to firms that develop new technologies. Young firms especially depend on the protection of intellectual property to bring a product from concept to market. However,... View Details

Keywords: Startups; Natural Language Processing; Machine Learning; Patents; Business Startups; Risk and Uncertainty; Outcome or Result; Green Technology Industry

2023
Working Paper

Deglobalization and Entrepreneurial Investment: The Natural Experiment of Brexit

By: Elisa Alvarez-Garrido and Juan Alcácer

We seek to gain insight into the consequences of deglobalization on entrepreneurial investment by analyzing an instance of economic disintegration: the United Kingdom’s exit from the European Union. Brexit is not only a unique empirical opportunity, a natural... View Details

Keywords: Entrepreneurial Finance; International Relations; Trade; Disruption; Globalized Economies and Regions; United Kingdom

U.S. states increasingly require identification to vote—an ostensible attempt to deter fraud that prompts complaints of selective disenfranchisement. Using a difference-in-differences design on a panel data set with 1.6 billion observations, 2008–2018, we find that... View Details

2019
Working Paper

Government Technology Policy, Social Value, and National Competitiveness

By: Frank Nagle

This study seeks to better understand the impact that government technology procurement regulations have on social value and national competitiveness. To do this, it examines the impact of a change in France’s technology procurement policy that required government... View Details

Keywords: Social Value; Competitiveness; Government Administration; Information Technology; Acquisition; Policy; Value

2014
Working Paper

The Diseconomies of Queue Pooling: An Empirical Investigation of Emergency Department Length of Stay

By: Hummy Song, Anita L. Tucker and Karen L. Murrell

We conduct an empirical investigation of the impact of queue management on patients' average wait time and length of stay (LOS). Using an Emergency Department's (ED) patient-level data from 2007 to 2010, we find that patients' average wait time and LOS are longer when... View Details

Keywords: Pooling; Queue Management; Strategic Servers; Social Loafing; Empirical Operations; Health Care; Fairness; Management Practices and Processes; Service Delivery; Health Care and Treatment; Health Industry

2025
Working Paper

The Value of Silence: The Effect of UMG’s Licensing Dispute with TikTok on Music Demand

By: Mengjie (Magie) Cheng, Elie Ofek and Hema Yoganarasimhan

Social media platforms like TikTok have transformed how music is discovered, consumed, and monetized. This study examines the implications of the dispute between TikTok and Universal Music Group (UMG), which resulted in UMG excluding its music from TikTok from... View Details

Keywords: Demand And Consumers; Monetization; Social Media; Revenue; Conflict and Resolution; Music Industry

2020
Working Paper

Working (From Home) During a Crisis: Online Social Contributions by Workers During the Coronavirus Shock

By: Prithwiraj Choudhury, Wesley W. Koo and Xina Li

Prior research has documented that during mortality-related crises workers face psychic costs and are motivated to make social contributions. In addition, management practices that encourage workers to make social contributions during a crisis create value for firms.... View Details

Keywords: Crisis; Social Contributions; Work From Home (WFH); Cannot Work From Home (CWFH); Social Distancing; Online Communities; Coronavirus; COVID-19; Health Pandemics; Employees; Working Conditions; Internet and the Web; Crisis Management

January 2, 2020
Article

Changes in Quality of Care After Hospital Mergers and Acquisitions

By: Nancy Dean Beaulieu, Leemore S. Dafny, B. E. Landon, Jesse Dalton, Ifedayo Kuye and J. Michael McWilliams

Background: The hospital industry has consolidated substantially during the past two decades and at an accelerated pace since 2010. Multiple studies have shown that hospital mergers have led to higher prices for commercially insured patients, but research about effects... View Details

Keywords: Hospitals; Mergers and Acquisitions; Health Care and Treatment; Quality

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Strategy - Faculty & Research

to their activities on the open source software development platform GitHub. In a matched sample of firms with and without GitHub activities, difference-in-differences models reveal a substantial increase in the likelihood of being funded... View Details

2022
Article

Becoming a Learning Organization While Enhancing Performance: The Case of LEGO

By: Thomas Borup Kristensen, Henrik Saabye and Amy Edmondson

Purpose - The purpose of this study is to empirically test how problem-solving lean practices, along with leaders as learning facilitators in an action learning approach, can be transferred from a production context to a knowledge work context for the purpose... View Details

Keywords: Performance Efficiency; Learning; Organizational Change and Adaptation

Article

Association of the Meaningful Use Electronic Health Record Incentive Program with Health Information Technology Venture Capital Funding

By: Samuel Lite, William J. Gordon and Ariel Dora Stern

IMPORTANCE
Although the Health Information Technology for Economic and Clinical Health (HITECH) Act has accelerated electronic health record (EHR) adoption since its passage, clinician satisfaction with EHRs remains low, and the association of HITECH with... View Details

Keywords: Health Care and Treatment; Information Technology; Laws and Statutes; Innovation and Invention; Entrepreneurship; Venture Capital